html,body{
    width: 100%;
    height: 100%;
}
* {
    margin: 0;
    padding: 0;
  }
//   外边距
  .mr15{margin-right: 15px;}
  .mb10{
      margin-bottom: 10px;
  }
  .ml6{
      margin-left: 6px;
  }
  .mb6{
      margin-bottom: 6px;
  }
  .mr6{
      margin-right: 6px;
  }
  .ml5{
      margin-left: 5px;
  }
//   内边距
.p5{
    padding: 5px;
}

  //flex布局
  .dpflex{
      display: flex;
  }
  .cccc{color: #ccc;}
  .jsaround{
      justify-content: space-around;
  }
  .jsbetween{justify-content: space-between;}

 .alcenter{align-items: center;}
 .f14{
     font-size: 14px;
 }